Merge pull request #6692 from dumganhar/value-copy-or-move-contructor-fix

Value: initialize Value with Type::None when its move and copy contructor is called.
updated winrt shader compiler app to latest version
updated to latest version of cocos2d
fixed for ABSOLUTE and RELATIVE winrt compiler reserved words
updated WP8 precompiled shaders
updated project files to latest version of cocos2d
Merge pull request #6693 from MSOpenTech/wp8-v3-fix2

Fixes for WP8 V3 build recently broken by recent commits